CN112377737A - Quick installation device for height fine-adjustment camera - Google Patents
Quick installation device for height fine-adjustment camera Download PDFInfo
- Publication number
- CN112377737A CN112377737A CN202011239097.3A CN202011239097A CN112377737A CN 112377737 A CN112377737 A CN 112377737A CN 202011239097 A CN202011239097 A CN 202011239097A CN 112377737 A CN112377737 A CN 112377737A
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- Prior art keywords
- movable rod
- rod
- mounting
- movable
- sliding block
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009434 installation Methods 0.000 title claims abstract description 31
- 230000000694 effects Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 240000007643 Phytolacca americana Species 0.000 description 6
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/22—Undercarriages with or without wheels with approximately constant height, e.g. with constant length of column or of legs
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/56—Accessories
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Accessories Of Cameras (AREA)
Abstract
The invention relates to the technical field of shooting and recording, and discloses a quick installation device for a camera with fine adjustment height, which comprises a foot rest, wherein a fixed block is fixedly installed above the foot rest, a movable rod is movably installed inside the fixed block, and a threaded structure on a threaded rod is driven to move through the rotation of a pinion, so that a limiting frame moves up and down between the fixed blocks under the movement of the threaded rod and the pinion, and the adjustment of the height of the camera according to the requirements of a shot picture in the shooting process is realized. The first movable rod moves up and down, so that the gear sets mounted on two sides rotate, the two sides of the first movable rod and the second movable rod and the third movable rod which are meshed with the two sides of the first movable rod are driven to move up and down on the mounting plate, and clamping and dismounting of the sliding block fixedly connected with the camera are achieved. The purpose of simple assembly and quick disassembly is realized, and the damage to equipment caused in complex assembly and disassembly is avoided.
Description
Technical Field
The invention relates to the technical field of shooting and recording, in particular to a quick installation device for a camera with fine adjustment height.
Background
The height of a camera body needs to be adjusted due to the fact that pictures are not ideal due to movement in the shooting process, and the existing device basically adjusts the height greatly and has an unsatisfactory adjusting effect. And through screw thread fixed connection between traditional camera and the support, at erection equipment's in-process, difficult equipment consumes a large amount of time between equipment and the dismantlement, can cause the damage of instrument in loaded down with trivial details equipment and dismantlement process.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the quick installation device for the height fine-adjustment camera, which has the advantages of fine adjustment of the height of the camera, simple installation and quick disassembly, and avoidance of machine damage in the complex assembly and disassembly processes, and solves the problems that the existing device is basically adjusted greatly when the height is adjusted, and the adjustment effect is not ideal. And through screw thread fixed connection between traditional camera and the support, at erection equipment's in-process, difficult equipment consumes a large amount of time between equipment and the dismantlement, can cause the problem of instrument damage in loaded down with trivial details equipment and dismantlement process.
(II) technical scheme
In order to realize the purposes of finely adjusting the height of the camera, being simple and easy to install and disassemble and avoiding machine damage in the complex assembling and disassembling process, the invention provides the following technical scheme: a quick installation device for a camera with fine adjustment height comprises a foot rest, a fixed block is fixedly installed above the foot rest, a moving rod is movably arranged in the fixed block, a mounting base is movably and fixedly arranged above the moving rod, a sliding block is movably arranged in the mounting base, a camera is fixedly arranged above the sliding block, a limit frame is movably arranged below the moving rod, a threaded rod is movably arranged in the limit frame, a first gear is meshed on the right side of the threaded rod, a connecting rod is movably connected below the first gear, a first movable rod is movably arranged above the mounting base, gear sets are movably arranged on two sides of the first movable rod, the below fixed mounting of movable gear group has the mounting panel, the left side movable mounting of sliding block has movable rod two, the right side movable mounting of sliding block has movable rod three.
Preferably, the middle part of fixed block sets up to the cavity design, and the carriage release lever runs through the fixed block, and the upper and lower both ends of fixed block are provided with the mounting hole, and the threaded rod runs through the mounting hole at both ends, is provided with the installation piece on the mounting hole right side of fixed block below, and the lower extreme of connecting rod is installed on the installation piece.
Preferably, the threaded rod is divided into two structures, a rod-shaped structure of the threaded structure is mounted on the limiting frame, the rod-shaped structure is a hollow structure, a straight rod penetrates through the inside of the rod-shaped structure, a sliding groove is formed in the straight rod, a poking rod is mounted at a rotating shaft part of a gear meshed with the threaded rod, and the poking rod is far away from the rotating shaft and is movably connected with the upper part of the connecting rod.
Preferably, the middle part of installation base is provided with the sliding tray, and the outward appearance of sliding block is provided with the stopper that corresponds with the sliding tray, and the sliding block passes through the screw thread to be connected with the camera, and the middle part of sliding block is provided with the recess.
Preferably, the gear set sets up to two pinions, installs respectively in the left and right sides of movable rod one, and movable rod one sets up to the rack with gear connection department, and the upper end of movable rod one sets up to the arcuation structure of laminating sliding block recess.
Preferably, two ends of the mounting plate are provided with limiting grooves, a second movable rod and a third movable rod are respectively mounted on the two ends of the mounting plate, the tail part of the second movable rod is mounted on the left side of the mounting plate, and the upper end of the second movable rod is mounted on the right side of the sliding block; the three tails of movable rod are installed on the right side of mounting panel, and the left side at the sliding block is installed to the upper end.
Preferably, the middle parts of the second movable rod and the third movable rod are arranged to be rack structures and are all bent rod-shaped structures, reset springs are installed at junctions of the two rods at two sides and are respectively meshed with pinions of the gear sets, and the upper ends of the second movable rod and the third movable rod are arc-shaped structures attached to sliding block grooves.
(III) advantageous effects
Compared with the prior art, the invention provides a quick installation device for a camera with fine adjustment height, which has the following beneficial effects:
1. this a swift installation device for finely tune high camera, the rotation through the pinion drives the helicitic texture on the threaded rod and removes for spacing frame makes the carriage release lever reciprocate between the fixed block under the removal of threaded rod and pinion, has realized adjusting the height of camera according to the shooting picture requirement at the shooting in-process.
2. This a swift installation device for finely tune high camera carries out the removal from top to bottom through making movable rod one for the gear train of both sides installation rotates, and then drives both sides and its engaged movable rod two and movable rod three and reciprocates on the mounting panel, realizes centre gripping and the dismantlement at camera fixed connection's sliding block. The purpose of simple assembly and quick disassembly is realized, and the damage to equipment caused in complex assembly and disassembly is avoided.
Drawings
FIG. 1 is a schematic view of the overall front structure of the present invention;
FIG. 2 is a schematic view of a downward movement structure of the second movable rod, where the distance between the second movable rod and the axis of the sliding block is L1, the distance between the first movable rod and the axis of the sliding block is L2, and the three angles between the second movable rod and the second movable rod are θ 1;
FIG. 3 is a schematic diagram of a structure of the present invention looking down on the upward movement of the movable rod, in which the distance between the second movable rod and the axis of the sliding block is L3, and the distance between the first movable rod and the axis of the sliding block is L4;
FIG. 4 is a schematic view of the travel bar in a contracted configuration in accordance with the present invention;
FIG. 5 is a schematic view of the extended structure of the travel bar of the present invention.
In the figure: 1. a foot rest; 2. a fixed block; 3. a travel bar; 4. a base; 5. a slider; 6. a camera; 7. a limiting frame; 8. a threaded rod; 9. a first gear; 10. a connecting rod; 11. a first movable rod; 12. a gear set; 13. mounting a plate; 14. a second movable rod; 15. and a third movable rod.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a quick mounting device for a fine height adjustment camera comprises a foot rest 1, a fixed block 2 is fixedly mounted above the foot rest 1, a movable moving rod 3 is movably mounted inside the fixed block 2, the middle of the fixed block 2 is designed to be hollow, the moving rod 3 penetrates through the fixed block 2, mounting holes are formed in the upper end and the lower end of the fixed block 2, a threaded rod 8 penetrates through the mounting holes in the two ends, a mounting block is arranged on the right side of the mounting hole below the fixed block 2, and the lower end of a connecting rod 10 is mounted on the mounting block. The top movable mounting of carriage release lever 3 has installation base 4, and the inside movable mounting of installation base 4 has sliding block 5, and the top fixed mounting of sliding block 5 has camera 6, and the middle part of installation base 4 is provided with the sliding tray, and the outward appearance of sliding block 5 is provided with the stopper that corresponds with the sliding tray, and sliding block 5 is connected with camera 6 through the screw thread, and the middle part of sliding block 5 is provided with the recess.
The below movable mounting of carriage release lever 3 has spacing frame 7, the inside movable mounting of spacing frame 7 has threaded rod 8, the right side meshing of threaded rod 8 has gear 9, the below swing joint of gear 9 has connecting rod 10, threaded rod 8 divide into two structures, install the shaft-like of helicitic texture at spacing frame 7, this shaft-like column structure is hollow structure, the inside straight-bar that runs through, be provided with the sliding tray on the straight-bar, install the poker rod with 9 pivot positions of gear of threaded rod 8 meshing, the top swing joint of pivot department and connecting rod 10 is kept away from to the poker rod. The movable rod I11 is movably mounted above the mounting base 4, gear sets 12 are movably mounted on two sides of the movable rod I11, the gear sets 12 are arranged into two pinions and are respectively mounted on the left side and the right side of the movable rod I11, the joint of the movable rod I11 and the gears is arranged to be in a rack shape, and the upper end of the movable rod I11 is arranged to be in an arc-shaped structure fitting with the groove of the sliding block 5.
A mounting plate 13 is fixedly mounted below the movable gear set 12, a second movable rod 14 is movably mounted on the left side of the sliding block 5, and a third movable rod 15 is movably mounted on the right side of the sliding block 5. Two ends of the mounting plate 13 are provided with limiting grooves which are respectively provided with a second movable rod 14 and a third movable rod 15, the tail part of the second movable rod 14 is arranged on the left side of the mounting plate 13, and the upper end of the second movable rod is arranged on the right side of the sliding block 5; the tail part of the third movable rod 15 is arranged on the right side of the mounting plate 13, and the upper end of the third movable rod is arranged on the left side of the sliding block 5. The middle parts of the second movable rod 14 and the third movable rod 15 are arranged to be rack structures and are all bent rod-shaped structures, return springs are arranged at junctions of the two rods at two sides and are respectively meshed with pinions of the gear set 12, and the upper ends of the second movable rod 14 and the third movable rod 15 are arc-shaped structures which are attached to grooves of the sliding block 5.
The working principle is that the rotating shaft part of the first gear 9 meshed with the threaded rod 8 is provided with the poke rod, and the poke rod is movably connected with the upper part of the connecting rod 10 at the position far away from the rotating shaft, so that the threaded rod 8 meshed with the poke rod tends to move upwards or downwards when the poke rod is rotated. When the poke rod is rotated clockwise, the first gear 9 rotates clockwise, and under the pulling of the poke rod, the angle between the connecting rod 10 and the vertical direction is reduced, and the effective height is increased. Because the threaded rod 8 is divided into two structures, the rod-shaped structure of the threaded structure is arranged on the limiting frame 7, the rod-shaped structure is a hollow structure, the straight rod penetrates through the inside of the rod, and the sliding groove is formed in the straight rod, the first gear 9 rotates clockwise, so that the threaded rod 8 and the meshing part of the threaded rod have the movement trend of moving upwards, and the straight rod part moves upwards along with the movement trend. Because the middle part of fixed block 2 sets up to the cavity design, and carriage release lever 3 runs through fixed block 2, the upper and lower both ends of fixed block 2 are provided with the mounting hole, threaded rod 8 runs through the mounting hole at both ends, the mounting hole right side below fixed block 2 is provided with the installation piece, the lower extreme of connecting rod 10 is installed on the installation piece, so the removal of screw thread structure and gear 9 will drive spacing frame 7 and remove, and then make carriage release lever 3 upwards remove from the hollow portion of fixed block 2.
Because the gear set 12 is provided with two pinions which are respectively arranged at the left side and the right side of the first movable rod 11, the joint of the first movable rod 11 and the gear is provided with a rack shape, and the upper end of the first movable rod 11 is provided with an arc-shaped structure which is attached to the groove of the sliding block 5, when the first movable rod 11 is pulled, the rack part of the first movable rod drives the pinions at the two sides to rotate. When the first movable rod 11 is pulled downward, the first movable rod 11 moves downward, the left pinion performs clockwise rotation, and the right pinion performs counterclockwise rotation.
Because the middle parts of the second movable rod 14 and the third movable rod 15 are arranged to be in a rack structure and are both in a bent rod-shaped structure, the junctions of the two rods at two sides are provided with return springs which are respectively meshed with the pinions of the gear set 12, the upper ends of the second movable rod 14 and the third movable rod 15 are both in an arc-shaped structure which is attached to the groove of the sliding block 5, two ends of the mounting plate 13 are provided with limit grooves which are respectively provided with the second movable rod 14 and the third movable rod 15, the tail part of the second movable rod 14 is arranged at the left side of the mounting plate 13, and the; the tail of the third movable rod 15 is arranged on the right side of the mounting plate 13, the upper end of the third movable rod is arranged on the left side of the sliding block 5, so that the left pinion rotates clockwise, and the right pinion rotates anticlockwise, so that the third movable rod 15 meshed with the left side of the third movable rod moves upwards in the limiting groove.
The second movable rod 14 engaged at the right side moves upwards in the limit groove. The third movable rod 15 and the second movable rod 14 move upwards respectively, so that the tops of the second movable rod 14 and the third movable rod 15 are far away from the sliding block 5, and the return spring is in a stretching state at the moment. Because the middle part of installation base 4 is provided with the sliding tray, the outward appearance of sliding block 5 is provided with the stopper that corresponds with the sliding tray, sliding block 5 is connected with camera 6 through the screw thread, the middle part of sliding block 5 is provided with the recess, so will be connected with camera 6 sliding block 5 from the sliding tray installation back of installation base 4, promote movable rod 11 forward, the principle is the same as above, movable rod 11, movable rod two 14, movable rod three 15 is spacing respectively carries out the centre gripping at the groove at sliding block 5 middle part to sliding block 5, reset spring is in the shrink state this moment.
In conclusion, the quick installation device for the camera with the fine height adjustment drives the threaded structure on the threaded rod 8 to move through the rotation of the pinion, so that the limiting frame 7 moves up and down between the fixed blocks 2 under the movement of the threaded rod 8 and the pinion, and the height of the camera 6 is adjusted according to the requirement of a shot picture in the shooting process.
This a swift installation device for fine setting high camera through making movable rod 11 carry out the removal from top to bottom for the gear train 12 of both sides installation rotates, and then drives both sides and its engaged movable rod two 14 and movable rod three 15 and reciprocate on mounting panel 13, realizes at the centre gripping and the dismantlement of camera 6 fixed connection's sliding block 5. The purpose of simple assembly and quick disassembly is realized, and the damage to equipment caused in complex assembly and disassembly is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A quick mounting device for a camera with fine adjustment of the height, comprising a foot rest (1), characterized in that: the top fixed mounting of foot rest (1) has fixed block (2), the inside movable mounting of fixed block (2) has carriage release lever (3), the top movable mounting of carriage release lever (3) has installation base (4), the inside movable mounting of installation base (4) has sliding block (5), the top fixed mounting of sliding block (5) has camera (6), the below movable mounting of carriage release lever (3) has spacing frame (7), the inside movable mounting of spacing frame (7) has threaded rod (8), the right side meshing of threaded rod (8) has gear (9), the below swing joint of gear (9) has connecting rod (10), the top movable mounting of installation base (4) has movable rod (11), the both sides movable mounting of movable rod (11) has gear train (12), the below fixed mounting of activity gear train (12) has mounting panel (13), the left side movable mounting of sliding block (5) has movable rod two (14), the right side movable mounting of sliding block (5) has movable rod three (15).
2. A quick-install apparatus for fine height adjustment cameras as claimed in claim 1 wherein: the middle part of fixed block (2) sets up to the cavity design, and carriage release lever (3) run through fixed block (2), and the upper and lower both ends of fixed block (2) are provided with the mounting hole, and threaded rod (8) run through the mounting hole at both ends, are provided with the installation piece on the mounting hole right side of fixed block (2) below, and the lower extreme of connecting rod (10) is installed on the installation piece.
3. A quick-install apparatus for fine height adjustment cameras as claimed in claim 1 wherein: threaded rod (8) divide into two structures, installs the shaft-like of helicitic texture in spacing frame (7), and this shaft-like column structure is hollow structure, and the inside straight-bar that runs through is provided with the sliding tray on the straight-bar, installs the poker rod with first (9) pivot position of threaded rod (8) meshing, and the poker rod is kept away from pivot department and is installed the top swing joint of connecting rod (10).
4. A quick-install apparatus for fine height adjustment cameras as claimed in claim 1 wherein: the middle part of installation base (4) is provided with the sliding tray, and the outward appearance of sliding block (5) is provided with the stopper that corresponds with the sliding tray, and sliding block (5) are connected with camera (6) through the screw thread, and the middle part of sliding block (5) is provided with the recess.
5. A quick-install apparatus for fine height adjustment cameras as claimed in claim 1 wherein: gear train (12) set up to two pinions, install respectively in the left and right sides of movable rod (11), and movable rod (11) and gear connection department set up to the rack form, and the upper end of movable rod (11) sets up the arcuation structure for laminating sliding block (5) recess.
6. A quick-install apparatus for fine height adjustment cameras as claimed in claim 1 wherein: two ends of the mounting plate (13) are provided with limiting grooves, a second movable rod (14) and a third movable rod (15) are respectively mounted on the two ends of the mounting plate, the tail part of the second movable rod (14) is mounted on the left side of the mounting plate (13), and the upper end of the second movable rod is mounted on the right side of the sliding block (5); the tail part of the third movable rod (15) is arranged on the right side of the mounting plate (13), and the upper end of the third movable rod is arranged on the left side of the sliding block (5).
7. A quick-install apparatus for fine height adjustment cameras as claimed in claim 1 wherein: the middle parts of the second movable rod (14) and the third movable rod (15) are arranged to be rack structures and are all bent rod-shaped structures, return springs are installed at junctions of the two rods at two sides and are respectively meshed with pinions of the gear set (12), and the upper ends of the second movable rod (14) and the third movable rod (15) are arc-shaped structures of grooves of the fit sliding blocks (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239097.3A CN112377737A (en) | 2020-11-09 | 2020-11-09 | Quick installation device for height fine-adjustment camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011239097.3A CN112377737A (en) | 2020-11-09 | 2020-11-09 | Quick installation device for height fine-adjustment camera |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112377737A true CN112377737A (en) | 2021-02-19 |
Family
ID=74579567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011239097.3A Withdrawn CN112377737A (en) | 2020-11-09 | 2020-11-09 | Quick installation device for height fine-adjustment camera |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112377737A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116336349A (en) * | 2023-05-29 | 2023-06-27 | 云南电网有限责任公司 | Scanning precision auxiliary device of three-dimensional laser scanning equipment |
-
2020
- 2020-11-09 CN CN202011239097.3A patent/CN112377737A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116336349A (en) * | 2023-05-29 | 2023-06-27 | 云南电网有限责任公司 | Scanning precision auxiliary device of three-dimensional laser scanning equipment |
| CN116336349B (en) * | 2023-05-29 | 2023-08-22 | 云南电网有限责任公司 | Scanning precision auxiliary device of three-dimensional laser scanning equipment |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210219 |
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| WW01 | Invention patent application withdrawn after publication |